Available in Black
Tube phono stages have been a cornerstone of our product portfolio for years. The Tube Box DS3 B takes innovation further with balanced capability, introducing our first true balanced tube phono preamp. Designed with a dual-mono circuit layout and utilizing audiophile-grade components, this European-made hybrid marvel delivers an exceptional listening experience for turntable enthusiasts.
| Specification | Details |
|---|---|
| Tubes | 2x 6922/E88CC |
| Input Impedance | Variable 10-1000Ω / 47kΩ |
| Input Capacitance | 50pF, 150pF, 300pF, 400pF |
| Gain Options | 40, 45, 50, 55, 60, 65dB |
| Output Voltage (40dB) | 500mV/1kHz output at 5mV/1kHz input |
| Signal/Noise Ratio (40dB) | >92dBV; 102dBV ('A' weighted) |
| Signal/Noise Ratio (60dB) | >78dBV; 87dBV ('A' weighted) |
| THD at 1kHz | <0.003% (MM), <0.02% (MC) |
| THD (20Hz-20kHz) | <0.005% (MM), <0.03% (MC) |
| RIAA Equalization Curve Accuracy | 20Hz-20kHz (±0.5dB) |
| Subsonic Filter | At 20Hz with 18dB/octave |
| Inputs | RCA, XLR, Mini XLR |
| Outputs | RCA, XLR |
| Trigger In/Out | 12V (2.5mm jack) |
| XLR Wiring | 1=Ground, 2=Hot, 3=Cold |
| Outboard Power Supply | 18V/1000mA DC |
| Power Consumption | 18V max, 750mA DC, <0.5W in standby |
| Dimensions (WxHxD) | 206 x 91 x 227mm |
| Dimensions (Standard) | 8.11 x 3.54 x 8.94" |
| Mass (Weight) | 1560g (3.44 lbs) |